Warning: Permanently added '10.128.0.131' (ED25519) to the list of known hosts. executing program [ 33.936032][ T4227] ------------[ cut here ]------------ [ 33.937279][ T4227] WARNING: CPU: 1 PID: 4227 at include/linux/skbuff.h:2641 skb_ensure_writable+0x26c/0x3a8 [ 33.939583][ T4227] Modules linked in: [ 33.940405][ T4227] CPU: 1 PID: 4227 Comm: syz-executor134 Not tainted 6.1.86-syzkaller #0 [ 33.942408][ T4227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 33.944645][ T4227] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 33.946430][ T4227] pc : skb_ensure_writable+0x26c/0x3a8 [ 33.947710][ T4227] lr : skb_ensure_writable+0x26c/0x3a8 [ 33.948877][ T4227] sp : ffff80001dbb76c0 [ 33.949845][ T4227] x29: ffff80001dbb76c0 x28: 0000000000000001 x27: ffff80001dbb7768 [ 33.951727][ T4227] x26: 0000000000000000 x25: ffff80001dbb7770 x24: 1ffff000033dfc06 [ 33.953428][ T4227] x23: 1ffff00003b76f1c x22: dfff800000000000 x21: dfff800000000000 [ 33.955306][ T4227] x20: 0000000080000000 x19: ffff0000d7856c80 x18: 0000000000000000 [ 33.957071][ T4227] x17: ffff8000085ac4c0 x16: ffff8000084fae8c x15: 0000000000000000 [ 33.958949][ T4227] x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000003 [ 33.960755][ T4227] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800010403c68 [ 33.962517][ T4227] x8 : ffff0000d4cd8000 x7 : ffff800008406774 x6 : 0000000000000000 [ 33.964288][ T4227] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 33.966110][ T4227] x2 : ffff80001dbb75e0 x1 : 0000000080000000 x0 : 0000000000000000 [ 33.967941][ T4227] Call trace: [ 33.968659][ T4227] skb_ensure_writable+0x26c/0x3a8 [ 33.969777][ T4227] bpf_skb_pull_data+0x80/0x210 [ 33.970933][ T4227] bpf_prog_ae7213afad14896d+0x54/0xc0 [ 33.972190][ T4227] bpf_test_run+0x370/0x870 [ 33.973188][ T4227] bpf_prog_test_run_skb+0x8d8/0x1094 [ 33.974418][ T4227] bpf_prog_test_run+0x2dc/0x364 [ 33.975543][ T4227] __sys_bpf+0x390/0x654 [ 33.976523][ T4227] __arm64_sys_bpf+0x80/0x98 [ 33.977520][ T4227] invoke_syscall+0x98/0x2c0 [ 33.978618][ T4227] el0_svc_common+0x138/0x258 [ 33.979698][ T4227] do_el0_svc+0x64/0x218 [ 33.980686][ T4227] el0_svc+0x58/0x168 [ 33.981636][ T4227] el0t_64_sync_handler+0x84/0xf0 [ 33.982839][ T4227] el0t_64_sync+0x18c/0x190 [ 33.983899][ T4227] irq event stamp: 15096 [ 33.984813][ T4227] hardirqs last enabled at (15095): [] timekeeping_get_ns+0x124/0x3b8 [ 33.987108][ T4227] hardirqs last disabled at (15096): [] el1_dbg+0x24/0x80 [ 33.989091][ T4227] softirqs last enabled at (15070): [] bpf_ksym_add+0x2f0/0x320 [ 33.991243][ T4227] softirqs last disabled at (15068): [] bpf_ksym_add+0x40/0x320 [ 33.993277][ T4227] ---[ end trace 0000000000000000 ]---